Bug 492968 - Add missing @since tags

Change-Id: If70a642e544deadbf914eb31ee7991118aedb6a0
diff --git a/org.eclipse.userstorage/src/org/eclipse/userstorage/IStorage.java b/org.eclipse.userstorage/src/org/eclipse/userstorage/IStorage.java
index 54d31b0..82d886b 100644
--- a/org.eclipse.userstorage/src/org/eclipse/userstorage/IStorage.java
+++ b/org.eclipse.userstorage/src/org/eclipse/userstorage/IStorage.java
@@ -104,7 +104,10 @@
    */
   public ICredentialsProvider getCredentialsProvider();
 
-  /** Describes the degree of connectedness to the remote. */
+  /**
+   * Describes the degree of connectedness to the remote.
+   * @since 1.1
+   */
   public enum Connectedness
   {
     /** The remote has never been connected to. */
@@ -117,6 +120,7 @@
 
   /**
    * Return the current connectedness state.
+   * @since 1.1
    */
   public Connectedness getConnectedness();
 
diff --git a/org.eclipse.userstorage/src/org/eclipse/userstorage/spi/ICredentialsProvider.java b/org.eclipse.userstorage/src/org/eclipse/userstorage/spi/ICredentialsProvider.java
index e29c850..35d2f54 100644
--- a/org.eclipse.userstorage/src/org/eclipse/userstorage/spi/ICredentialsProvider.java
+++ b/org.eclipse.userstorage/src/org/eclipse/userstorage/spi/ICredentialsProvider.java
@@ -82,6 +82,7 @@
    * if possible.  Some credential providers do not support updating credentials
    * programmatically.
    * @return true if the credential was updated
+   * @since 1.1
    */
   public boolean updateCredentials(IStorageService service, Credentials credential);